Event between (533559) 14JG80 and star GA0720:10435670 with event index number of 2588521
Geocentric closest approach at 2027/09/21 07:50:55 UTC
J2000 position of star is 17:31:12.7 -17:17:50
Equinox of date position of star is 17:32:32.6 -17:18:46
Stellar brightness G=16.8,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 156 degrees from the moon.
Moon is 72% illuminated.
TNO apparent brightness V=22.4
TNO is 26.4 AU from the Sun
and 26.5 AU from the Earth.
The TNO is moving 9.1
km/sec on the sky relative to the star, or,
1.7 arcsec/hr.
The 1-sigma error in the time of the event is 298 seconds.
The 1-sigma cross-track error in the shadow position is
2223 km.
The TNO has an absolute magnitude Hv=7.9
Diameter=157.8 km assuming a 5% albedo -- 17.6 sec chord
Diameter=64.4 km assuming a 30% albedo -- 7.2 sec chord
Dynamical classification is CENTAURR
Star training set for 533559, (2027/09/21 07:48UT) Object RA Dec mag sep mel Antares 16:31:06.7 -26:29:28 0.9 16.98 172 35Eta Oph 17:11:58.2 -15:45:26 2.6 5.23 160 PPM 233026 17:26:14.6 -18:28:08 6.4 1.94 158 PPM 233176 17:32:34.0 -17:23:33 8.4 0.10 156 533559 17:32:49.4 -17:18:58 16.8 156 Positions are for equinox of date
Azimuth is measured in degrees eastward from north. North is at an azimuth of 0, due East is at an azimuth of 90 degrees, due South is 180, and due West is 270.
Do not use the listing below for the RECON CPC 1100 telescopes. This is provided for other non-team facilities.
Star training set for 533559, (2027/09/21 07:48UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 16.98 172 35Eta Oph 17:10:22.7 -15:43:29 2.6 5.23 160 PPM 233026 17:24:37.1 -18:26:45 6.4 1.94 158 PPM 233176 17:30:57.2 -17:22:25 8.4 0.10 156 533559 17:31:12.7 -17:17:50 16.8 156 Positions are for J2000
Event circumstances last updated at 2022/11/23 03:10:56 UT
Marc W. Buie, Southwest Research Institute